The twin-turbocharged 4.4-liter V8 was factory rated at 617 horsepower and 553 lb-ft of torque. An oil change was completed in preparation for sale. Power is sent to all four wheels through an eight-speed automatic transmission, an M Sport differential, and an xDrive all-wheel-drive system featuring a driver-selectable rear-wheel-drive mode. An M Sport exhaust system was optioned. The Carfax report shows no accidents or other damage.The heated and ventilated power-adjustable M Sport front seats and split-folding rear bench are upholstered in Taruma Brown Merino leather that is continued on the dashboard, door panels, and center console. Interior amenities include heated front armrests and outboard rear seats in addition to four-zone climate control, carbon-fiber interior trim, M tri-color seatbelt stitching, an Anthracite Alcantara headliner, ambient lighting, soft-close doors, under-door puddle light projectors, illuminated door sills, wireless charging, and an iDrive infotainment system with wireless smartphone connectivity linked with a Bowers & Wilkins sound system. The Drivers Assistance Pro and Driving Assistance packages added a surround-view camera system, Active Driving Assistant Pro, Lane Departure Warning, Active Blind Spot Detection, a surround-view camera system, and Parking Assistant Plus.The heated leather-wrapped steering wheel is equipped with paddle shifters and fronts a driver-configurable color instrument display.The digital odometer indicates 4,800 miles.